208230984

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 620205300

約数和(自身を除く): 411974316

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 109, 117, 156, 157, 169, 218, 234, 312, 314, 327, 338, 436, 468, 471, 507, 628, 654, 676, 872, 936, 942, 981, 1014, 1256, 1308, 1352, 1413, 1417, 1521, 1884, 1962, 2028, 2041, 2616, 2826, 2834, 3042, 3768, 3924, 4056, 4082, 4251, 5652, 5668, 6084, 6123, 7848, 8164, 8502, 11304, 11336, 12168, 12246, 12753, 16328, 17004, 17113, 18369, 18421, 24492, 25506, 26533, 34008, 34226, 36738, 36842, 48984, 51012, 51339, 53066, 55263, 68452, 73476, 73684, 79599, 102024, 102678, 106132, 110526, 136904, 146952, 147368, 154017, 159198, 165789, 205356, 212264, 221052, 222469, 238797, 308034, 318396, 331578, 410712, 442104, 444938, 477594, 616068, 636792, 663156, 667407, 889876, 955188, 1232136, 1326312, 1334814, 1779752, 1910376, 2002221, 2669628, 2892097, 4004442, 5339256, 5784194, 8008884, 8676291, 11568388, 16017768, 17352582, 23136776, 26028873, 34705164, 52057746, 69410328, 104115492, 208230984]

約数ペア:

[(1, 208230984), (2, 104115492), (3, 69410328), (4, 52057746), (6, 34705164), (8, 26028873), (9, 23136776), (12, 17352582), (13, 16017768), (18, 11568388), (24, 8676291), (26, 8008884), (36, 5784194), (39, 5339256), (52, 4004442), (72, 2892097), (78, 2669628), (104, 2002221), (109, 1910376), (117, 1779752), (156, 1334814), (157, 1326312), (169, 1232136), (218, 955188), (234, 889876), (312, 667407), (314, 663156), (327, 636792), (338, 616068), (436, 477594), (468, 444938), (471, 442104), (507, 410712), (628, 331578), (654, 318396), (676, 308034), (872, 238797), (936, 222469), (942, 221052), (981, 212264), (1014, 205356), (1256, 165789), (1308, 159198), (1352, 154017), (1413, 147368), (1417, 146952), (1521, 136904), (1884, 110526), (1962, 106132), (2028, 102678), (2041, 102024), (2616, 79599), (2826, 73684), (2834, 73476), (3042, 68452), (3768, 55263), (3924, 53066), (4056, 51339), (4082, 51012), (4251, 48984), (5652, 36842), (5668, 36738), (6084, 34226), (6123, 34008), (7848, 26533), (8164, 25506), (8502, 24492), (11304, 18421), (11336, 18369), (12168, 17113), (12246, 17004), (12753, 16328)]